Vacuum cleaner



FIG. 1 is a perspective view showing the side, top, and front of avacuum cleaner embodying my design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a rear elevational view thereof.

The ornamental design for a vacuum cleaner, substantially as shown anddescribed.